Schedule sibling invalidation sets for sibling insert/remove.

third_party/WebKit/Source/core/dom/Element.cpp

Index: third_party/WebKit/Source/core/dom/Element.cpp
diff --git a/third_party/WebKit/Source/core/dom/Element.cpp b/third_party/WebKit/Source/core/dom/Element.cpp
index 6da31da76d47fc37693792d15e6383f21ab1fba7..55abd09d2c036b4ec5c2c36da054c05d29443c01 100644
--- a/third_party/WebKit/Source/core/dom/Element.cpp
+++ b/third_party/WebKit/Source/core/dom/Element.cpp
@@ -2092,7 +2092,7 @@ void Element::childrenChanged(const ChildrenChange& change)
 
     checkForEmptyStyleChange();
     if (!change.byParser && change.isChildElementChange())
-        checkForSiblingStyleChanges(change.type == ElementRemoved ? SiblingElementRemoved : SiblingElementInserted, change.siblingBeforeChange, change.siblingAfterChange);
+        checkForSiblingStyleChanges(change.type == ElementRemoved ? SiblingElementRemoved : SiblingElementInserted, change.siblingChanged, change.siblingBeforeChange, change.siblingAfterChange);
 
     // TODO(hayato): Confirm that we can skip this if a shadow tree is v1.
     if (ElementShadow* shadow = this->shadow())
@@ -2103,7 +2103,7 @@ void Element::finishParsingChildren()
 {
     setIsFinishedParsingChildren(true);
     checkForEmptyStyleChange();
-    checkForSiblingStyleChanges(FinishedParsingChildren, lastChild(), nullptr);
+    checkForSiblingStyleChanges(FinishedParsingChildren, nullptr, lastChild(), nullptr);
 }
 
 #ifndef NDEBUG